Added specs for a separate money class
Implemented Reckon::Money and passing the specs
Added spec for Money::from_s( "" )
Merge branch 'upstream' into money_class
Money::from_s should return nil when s emtpy
Change how money handles options

Options such as currency now need to be given at initialization of the
Object
Use new Money class in the csv parser
Added Comparable to Money
Whitespace clean up
Merge pull request #28 from BlackEdder/money_class

Refactor: Add money class